CORRECT ANSWERS (VERIFIED ANSWERS ) A GRADE
What is the Tack Coat Spray Rate - ANSWER -0.3 - 0.15
What is the Tack coat color distortion when applied? - ANSWER -
Brown to Black
What is the Asphalt Compaction Tolerance? - ANSWER -1/4"
What grade is asphalt considered? - ANSWER -Open Grade
When should asphalt be placed after Tack Coat has been applied? -
ANSWER -Within 4 Hours of the Tack Coat application
Where and how should you sample Asphalt? - ANSWER -From the
truck and in 3 increments, each increment from a different quadrant
,What is a another method of testing Asphalt? - ANSWER -Coring full
depth sections of the roadway and amount is based on contract or
provisions.
How do you test asphalt? - ANSWER -Asphalt is tested based on
nuclear density gauge
What is the testing tolerance for Density Nuclear gauge? - ANSWER -
+/- 1% on density and +/-2% on moisture
What is the Asphalt compaction tolerance? - ANSWER -+/-0.5 percent
What is the Asphalt compaction requirement? - ANSWER -95%
compaction
What is the offset of the longitudinal joint for Asphalt - ANSWER -
Each joint should be offset by 6"
Asphalt Tickets should contain What information - ANSWER -Contract
Number, Item Number, Job mix formula, Tonnage, Date and Time
, What s the Pavement surface tolerance? - ANSWER -1/4" tolerance
How to measure surface tolerance? - ANSWER -Straight edge or
string line
How should Asphalt roller pattern begin - ANSWER -Outside edges
working to center line
How is Asphalt Finished? - ANSWER -either by compaction or temp
reduction
What do you inspect for surface prep when is come to Concrete
Paving? - ANSWER -Inspect Sub grade soils and grading uniformity
What is Concrete paving subbase thickness and characteristics? -
ANSWER -Thickness of 4-6" and Uniformity, pumping, control and
erosion Resistances
What is the Concrete paving surface coverage? - ANSWER -Min of 2"